Construct validity of the Questionnaire for Older Senior Citizens based on a confirmatory factor analysis: A study during the period of self-restraint to prevent the spread of coronavirus disease 2019.
Tomoyuki ShinoharaKosuke SaidaShigeya TanakaAkihiko MurayamaDaisuke HiguchiPublished in: Geriatrics & gerontology international (2021)
Among the older-older adults group, the model used for the QO has sufficient suitability and construct validity; among the younger-older adults group, there also is sufficient questionnaire suitability. Moreover, the QO has criterion related validity with frailty. Geriatr Gerontol Int 2021; 21: 1018-1025.